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John Mesher
Adjunct Faculty, School of Business

Teaching at Cairn since

John Mesher


  • JD, Duquesne University
  • BA, Indiana University of Pennsylvania


Professor Mesher teaches courses in business law and ethics in Cairn’s MBA and Organizational Leadership graduate programs, as well as corporate transactions, nonprofit law,a and other special topics in both the undergraduate and graduate programs.

Mr. Mesher was a corporate lawyer for over 30 years. He retired in 2009 as the Senior Vice President, General Counsel and Corporate Secretary of Saint-Gobain Corporation, a $7 billion company with 19,000 employees at over 350 locations in the US and Canada, where he was responsible for the legal affairs, government relations, business ethics, and corporate governance of Saint-Gobain Corporation. He was also the company’s chief compliance officer.

John Mesher has served on the Board of Directors of Good Works, Inc., a nonprofit home repair agency for low-income residents in Chester County, PA. He was also a Quality Control Examiner for the IRS’s Volunteer Income Tax Assistance Program and has been a panel member for various Philadelphia Bar Association programs, as well as the Argyle Executive Forum in New York City. He was the featured in-house counsel in the May 2006 edition of the National Law Journal.


Additional Information


  • “Thou Shall Not Steal — From Your Customers and Competitors, The 8th Commandment and Antitrust Legislation” with Dr. Julius Kim, Business Ethics Today (2011)
  • “Public Company Transparency: What Light is Shed by the 9th Commandment?” with David Gill, Business Ethics Today (2012)